For each test below, the hypotheses and the obtained value of the test statistic are given. Find the p-value of the test.

a) Use the tables to find the p-value to 4 decimals. p = _________

H0: u greater than or = to 100

Ha: u < 100

z = -2.03

b) Use the tables to bracket the p-value. ________< p < ________

H0: u = 50

Ha: u does not = 50

n = 20

t = -1.865